Trying to visualize. You must intend installing a radio with a CD player, is that it? If so, the new harness is just to keep you from cutting the D's stock harness assembly and if that's so you're probably going to cut the new harness in half, as they suggest, and connect to your new unit, cutting all those wires and connecting as indicated. Am I close? Les theshovel1224@xxxx wrote: > I am planning to put a cd player in my D, and I was wondering if any > modifications to the radio wiring harness need to be done. I am > planning on getting a 9 pin connector from the mid state club so I > won't have to cut anything, but I was also wondering do any > aftermarket units come with the black ground wire on > them, or will I have to cut this wire to hook up my cd player?